令和７年分 年末調整控除申告書作成用ソフトウェア

The 2025 Year-End Adjustment Deduction Declaration Form Creation Software (hereinafter referred to as "Year-End Adjustment Software") is software provided by the National Tax Agency that allows employees to easily create year-end adjustment deduction declaration forms, etc., to submit to their employers, either digitally or in paper format, using data such as deduction certificates.

This year-end adjustment software is compatible with year-end adjustments for 2025 conducted after December 1, 2025.

■Main Features
・Create and save year-end adjustment deduction declaration data
・Import various deduction certificate data, etc.
・My Number Portal integration
・Easy deduction amount check

■Supported Versions
Android 11 and later

■Notes
・The year-end adjustment software does not calculate annual income tax.
・Please confirm that your employer can accept deduction declaration forms created with the year-end adjustment software before using the year-end adjustment software.
・The layout of the deduction declaration form output by the year-end adjustment software differs from the format posted on the National Tax Agency website, but this is not a legal issue.